//
//  calc.h
//  SimpleCalc
//
//  Created by panos on 26/10/10.
//  Copyright 2010 __MyCompanyName__. All rights reserved.
//

#import <Cocoa/Cocoa.h>


@interface calc : NSObject {
	IBOutlet NSTextField *tf ;
	float a;
	int operation;
	int next_operation;
}

-(void) calculate;

-(IBAction) add:(id)sender;
-(IBAction) subtract:(id)sender;
-(IBAction) multiply:(id)sender;
-(IBAction) divide:(id)sender;
-(IBAction) equals:(id)sender;
-(IBAction) clear:(id)sender;

@end
